Wrinkle structures are small ridges and pits in rock, often made by microbial mats. They’re best known from Precambrian and Cambrian strata, where they serve as important evidence of early life, and ...

Far below the postcard beaches and turquoise shallows of Bermuda, scientists have mapped a colossal slab of rock that should not be there. The hidden feature, sitting deep under the Bermuda Triangle, ...